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參數(shù)資料
| 型號： | AD8031AR |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF R-R LP LDIST 8SOIC |
| 設(shè)計資源： | High Speed, Precision, Differential AC-Coupled Drive Circuit for AD7625 (CN0080) Single-Ended-to-Differential High Speed Drive Circuit for 16-Bit, 10 MSPS AD7626 ADC (CN0105) |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 35 V/µs |
| -3db帶寬： | 80MHz |
| 電流 - 輸入偏壓： | 450nA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 900µA |
| 電流 - 輸出 / 通道： | 15mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 12 V，±1.35 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 管件 |
Data Sheet
AD8031/AD8032
Rev. G | Page 17 of 20
Figure 50 and Figure 51 show the output signal swing and
frequency spectrum at 500 kHz. At this frequency, the output
signal (at VOUT), which has a peak-to-peak swing of 1.95 V
(50 mV to 2 V), has a THD of 68 dB (SFDR = 77 dB).
2V
50mV
10
0%
100
90
0.5V
1s
01056-
050
Figure 50. Output Signal Swing of Low Distortion Line Driver at 500 kHz
STOP 5MHz
V
E
RT
ICAL
S
CAL
E
(
10d
B/
DI
V
)
START 0Hz
+9dBm
01056-
051
Figure 51. THD of Low Distortion Line Driver at 500 kHz
Figure 52 and Figure 53 show the output signal swing and
frequency spectrum at 2 MHz. As expected, there is some
degradation in signal quality at the higher frequency. When the
output signal has a peak-to-peak swing of 1.45 V (swinging
from 50 mV to 1.5 V), the THD is 55 dB (SFDR = 60 dB).
This circuit could also be used to drive the analog input of a
single-supply, high speed ADC whose input voltage range is
referenced to ground (for example, 0 V to 2 V or 0 V to 4 V). In
this case, a back termination resistor is not necessary (assuming
a short physical distance from transistor to ADC); therefore, the
emitter of the external transistor would be connected directly to
the ADC input. The available output voltage swing of the circuit
would therefore be doubled.
50mV
10
0%
100
90
1.5V
0.2V
200ns
01056-
052
Figure 52. Output Signal Swing of Low Distortion Line Driver at 2 MHz
V
E
RT
ICAL
S
CAL
E
(
10d
B/
DI
V
)
+7dBm
START 0Hz
STOP 20MHz
01056-
053
Figure 53. THD of Low Distortion Line Driver at 2 MHz
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| AD8031AR-EBZ | 功能描述:BOARD EVAL FOR AD8031AR RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
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| AD8031AR-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R I/O 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk R-R I/O ±6V/12V 8-Pin SOIC N T/R |
| AD8031ART | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
| AD8031ART-EBZ | 功能描述:BOARD EVAL FOR AD8031ART RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
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